Great Dane GDRZ61-25KAE, GDRZ72-27KHE manual Mowing Travel Speeds, Dismounting to Inspect Mower

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OPERATING

Mowing Travel Speeds

Use slow travel speed for:

•Trimming.

•Working in close quarters.

•Mowing tall grass.

Use faster travel speeds for:

•Normal mowing on level ground.

Dismounting to Inspect Mower

c CAUTION: Avoid injury! Help prevent serious injury. Keep hands and feet away from blades and the discharge opening.

Do not step on either side of the mower deck when mounting and dismounting the machine. Mount and dismount the machine using the front foot plate.

1.Park machine on a hard, level surface.

2.Push PTO knob down to disengage mower.

3.Move motion control levers to the neutral detent position (standard levers) or neutral lock position (optional “over the lap” levers).

4.Lock the park brake.

5.Stop engine and remove key. Always wait for mower blades to stop turning before leaving operator seat.

Avoid Damage to Plastic and Painted

Surfaces

•Do not wipe plastic parts unless rinsed first.

•Insect repellent spray may damage plastic and painted surfaces. Do not spray insect repellent near machine.

•Be careful not to spill fuel on machine. Fuel may damage surface. Wipe up spilled fuel immediately.

Operating - 21

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Contents OPERATOR’S Manual Introduction Using Your Operator’s ManualSpecial Messages Record Identification Numbers Product IdentificationTable of Contents Understanding The Machine Safety Labels SafetyM131748, MX15340 Emission Compliance Period Emission Control System Certification LabelCertification Canadian Electromagnetic Compatibility EMC ComplianceOperating Safely Operator Training RequiredChecking Mowing Area Using a Spark ArrestorParking Safely Rotating Blades are DangerousAvoid Tipping Keep Riders OffChecking Wheel Bolts Wear Appropriate Clothing Practice Safe MaintenanceDriving Safely on Public Roads Avoid High-Pressure Fluids Tire SafetyPrevent Fires Handling Waste Products and Chemicals Handling Fuel SafelyFuel and fuel vapors are highly flammable Testing Safety Systems Daily Operating ChecklistOperating Operator Station ControlsTesting Park Brake Switch Testing PTO SwitchTesting Neutral Start Switch Testing Seat SwitchAdjusting Mower Deck Cutting Height Adjusting SeatMounting and Dismounting Machine Safely Raising and Lowering Operator SeatUsing the Park Brake Adjusting Mower Deck Anti-Scalp WheelsUsing the PTO Using the Key SwitchUnlocking Park Brake Engage PTOUsing the Hourmeter Using the Throttle LeverUsing the Choke Carbureted Engines Only Using the Motion Control LeversNeutral Lock Position Optional Over the Lap Levers Reverse Forward Gentle Right TurnGentle Left Turn Sharp Left TurnStarting the Engine Stopping the Engine Engaging MowerTransporting Machine Using Hydraulic Pump Free-Wheel ValvesMowing Tips Picture Note Left pump shownDismounting to Inspect Mower Mowing Travel SpeedsAvoid Damage to Plastic and Painted Surfaces Parts Replacement PartsPart Numbers Service Intervals Grease Service LubricationSpray Lubricant Lubrication PointsPicture Note 72-inch mower deck Picture Note 48-, 52- and 61-inch mower decksService Engine Cleaning Engine Air Intake Screen and Fan Checking and Cleaning Air Filter ElementsCleaning Engine Oil Cooler Kohler Engines Oil Capacity With Filter DryReplacing Fuel Filter Carbureted Engines Checking Spark Plug Adjusting Carburetor Carbureted EnginesReplacing Fuel Filter Fuel Injected Engines Picture Note Kawasaki engine shownPriming Fuel Injectors Fuel Injected Engines Troubleshooting the Kohler Electronic Fuel Injection SystemService Engine Hydraulic Oil Service TransmissionChecking Hydraulic Oil Level Changing Hydraulic Oil and FilterCleaning Hydraulic Pump Cooling Fins Removing and Installing Traction Drive BeltNeutral Creep Adjustment Checking and Adjusting Motion Control LinkagesCheck Maximum Speed Drift Maximum Speed Drift Adjustment Hydraulic System Hose Routing Cooling Orifice Hydraulic System SchematicRemove and Install Front Caster Wheels Service Steering & BrakesServicing Front Caster Wheel Roller Bearings Chariot Servicing Front Caster Wheel Roller Bearings Chariot LXServicing Caster Spindle Bearings Adjusting Front Caster Spindle BearingCheck Alignment Height Adjustment ProcedureAlignment Procedure Adjusting Park BrakeRemoving and Installing Mower Deck Foot Plate Service MowerRemoving and Installing Mower Deck Belt Shields Leveling Mower Deck Adjusting Level Side-to-SideChecking Level Side-to-Side Picture Note Discharge chute raised for photo clarityAdjust Thrust Arm-to-Stop Rod Clearance Transport Position Checking and Adjusting Cutting HeightAdjust Assist Spring Tension Adjusting Deck Lift Assist Spring TensionCheck Spring Tension MX15328 MX15318 Checking and Replacing Mower Blades Balancing Blades Sharpening BladesReplacing Mower Blades Replacing Mower Spindle Bearings 72-Inch Mower Deck Service Mower Removing and Installing the Battery Service ElectricalCleaning Battery and Terminals Booster Battery Disabled Vehicle Battery Using Booster BatteryReplacing Fuse Carbureted Engines Replacing Fuses Fuel Injected EnginesBurnishing the PTO Clutch Wiring Schematic Carbureted Engines Wiring Schematic 26 HP Fuel Injected Engine Wiring Schematic 28 HP Fuel Injected Engine Filling Fuel Tank Service MiscellaneousChecking Tire Pressure Tire Size PressureCleaning and Repairing Metal Surfaces Remove and Install Rear Drive WheelsUsing Troubleshooting Chart TroubleshootingCheck Troubleshooting Electrical System Park Brake MachineSteering Mower Deck Storage Storing SafetyPreparing Machine for Storage Preparing Fuel and Engine for StorageAssembly Install Seat Install Motion Control LeversCheck Safety System Lubricate MachineInitial Adjustments Specifications Height Adjustment Increments mm 1/2 Index Belt Shields, Removing and Installing Mower DeckSpindle Bearings, Replace, 48-, 52- and 61-In. Decks Record Service Dates Service Record GD

GDRZ48-19KAE, GDRZ61-25KHE, GDRZ61-27KHE, GDRZ48-17KAE, GDRZ72-28KHE specifications

The Great Dane GDRZ series, including models GDRZ72-27KHE, GDRZ61-25KAE, GDRZ61-28KHE, GDRZ61-26KHE, and GDRZ52-25KHE, stands out as a robust line of refrigerated trailers designed for the rigorous demands of commercial transport and logistics. These models embody a perfect fusion of innovative technologies, exceptional performance, and high durability, catering specifically to the needs of operators in the freight industry.

One of the most notable features of the GDRZ series is its advanced insulation technology, which significantly enhances temperature retention. This is vital for businesses that rely on the transport of perishable products, ensuring that goods remain fresh throughout the journey. The GDRZ trailers utilize high-density foam insulation, providing superior thermal performance while minimizing energy costs.

In terms of structural integrity, the GDRZ series is built with a sturdy composite construction that enhances durability while reducing overall weight. This lightweight design contributes to improved fuel efficiency, allowing operators to maximize their payload without compromising on safety or performance. Moreover, these trailers are equipped with corrosion-resistant materials, extending their lifespan and reducing maintenance costs.

The cooling systems in the GDRZ models are engineered for optimal performance. High-efficiency refrigeration units with digital thermostatic controls ensure that temperature settings are maintained accurately and can be adjusted easily. This technology enables users to monitor and record temperature data, facilitating compliance with industry regulations and providing peace of mind regarding cargo safety.

Another highlight of the GDRZ series is its user-friendly features. The ergonomic design of the interior allows for easy access to cargo, while the integrated lighting solutions facilitate loading and unloading in low-visibility conditions. The models also feature reinforced tie-down points that secure cargo effectively, reducing the risk of movement and damage during transit.

Safety is a key consideration across the GDRZ line, with advanced braking systems and reflective markings enhancing visibility and control on the road. Additional safety features may include optional GPS tracking systems, allowing operators to monitor the whereabouts of their trailers in real time, ensuring timely deliveries and improved fleet management.

In summary, the Great Dane GDRZ series, with its various models, represents a significant advancement in refrigerated transport technology. Combining energy efficiency, durability, and user-centric design, these trailers are ideal for businesses seeking reliable solutions for their refrigerated transport needs. With a commitment to quality and innovation, Great Dane continues to set industry standards for excellence in trailer manufacturing.
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